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公开(公告)号：US10692172B2
公开(公告)日：2020-06-23
申请号：US16067506
申请日：2016-12-27
Applicant: Snap Inc.
Abstract: A method of plane tracking comprising: capturing by a camera a reference frame of a given plane from a first angle; capturing by the camera a destination frame of the given plane from a second angle different than the first angle; defining coordinates of matching points in the reference frame and the destination frame; calculating, using the first and second angles, first and second respective rotation transformations to a simulated plane parallel to the given plane; applying an affine transformation between the reference frame coordinate on the simulated plane and the destination frame coordinate on the simulated plane; and applying a projective transformation on the simulated plane destination frame coordinate to calculate the destination frame coordinate.
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公开(公告)号：US12209883B2
公开(公告)日：2025-01-28
申请号：US18373685
申请日：2023-09-27
Applicant: Snap Inc.
IPC: G06K9/00 , G01C3/08 , G03B35/02 , G03B35/10 , G06T7/593 , G06V10/10 , G06V10/147 , H04N23/45 , H04N23/51
Abstract: A method and apparatus for measuring a distance from a device to an object is described. One or more first images including the object are acquired by a first camera of the device and one or more first reference images are acquired by a second camera of the device, while the device is in a first position. One or more second images including the object and one or more second reference images are acquired by cameras of the device, while the device is in a second position, different from the first position. Based on the first and second reference images, information on the displacement of at least one camera of the device between the first and second position are determined. The distance from the device to the object is calculated based on the first and second images and the determined information on the displacement of the at least one camera.
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公开(公告)号：US12002232B2
公开(公告)日：2024-06-04
申请号：US18196940
申请日：2023-05-12
Applicant: Snap Inc.
Inventor： David Ben Ezra , Eyal Zak , Ozi Egri
CPC classification number: G06T7/579 , G06T7/20 , G06T7/246 , G06T7/70 , G06T7/73 , G06T2207/10016 , G06T2207/30241 , G06T2207/30244
Abstract: Various embodiments provide systems, methods, devices, and instructions for performing simultaneous localization and mapping (SLAM) that involve initializing a SLAM process using images from as few as two different poses of a camera within a physical environment. Some embodiments may achieve this by disregarding errors in matching corresponding features depicted in image frames captured by an image sensor of a mobile computing device, and by updating the SLAM process in a way that causes the minimization process to converge to global minima rather than fall into a local minimum.
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公开(公告)号：US11879750B2
公开(公告)日：2024-01-23
申请号：US16879000
申请日：2020-05-20
Applicant: Snap Inc.
IPC: G06K9/00 , G01C3/08 , G03B35/02 , G03B35/10 , G06T7/593 , H04N23/45 , H04N23/51 , G06V10/10 , G06V10/147
CPC classification number: G01C3/085 , G01C3/08 , G03B35/02 , G03B35/10 , G06T7/593 , G06V10/147 , G06V10/17 , H04N23/45 , H04N23/51 , G06T2200/24 , G06T2207/10016 , G06T2207/20221 , G06T2207/30041 , G06T2207/30244
Abstract: A method and apparatus for measuring a distance to an object, be a device (100) having at least two cameras (104, 106), is described. One or more first images including the object are acquired by a first camera of the device and one or more first reference images are acquired by a second camera of the device, while the device is in a first position. One or more second images including the object and one or more second reference images are acquired by cameras of the device, while the device is in a second position, different from the first position. Based on the first and second reference images, information on the displacement of at least one camera of the device between the first and second position are determined. The distance from the device to the object is calculated based on the first and second images including e object and the determined information on the displacement of the at least one camera.
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公开(公告)号：US20240019245A1
公开(公告)日：2024-01-18
申请号：US18373685
申请日：2023-09-27
Applicant: Snap Inc.
CPC classification number: G01C3/085 , G03B35/02 , G03B35/10 , G06T7/593 , H04N23/45 , H04N23/51 , G06V10/17 , G06V10/147 , G01C3/08 , G06T2200/24 , G06T2207/10016 , G06T2207/20221 , G06T2207/30041 , G06T2207/30244
Abstract: A method and apparatus for measuring a distance to an object, be a device (100) having at least two cameras (104, 106), is described. One or more first images including the object are acquired by a first camera of the device and one or more first reference images are acquired by a second camera of the device, while the device is in a first position. One or more second images including the object and one or more second reference images are acquired by cameras of the device, while the device is in a second position, different from the first position. Based on the first and second reference images, information on the displacement of at least one camera of the device between the first and second position are determined. The distance from the device to the object is calculated based on the first and second images including the object and the determined information on the displacement of the at least one camera.
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Patent Agency Ranking
公开(公告)号：US20230281851A1
公开(公告)日：2023-09-07
申请号：US18196940
申请日：2023-05-12
Applicant: Snap Inc.
Inventor： David Ben Ezra , Eyal Zak , Ozi Egri
CPC classification number: G06T7/579 , G06T7/246 , G06T7/73 , G06T7/70 , G06T7/20 , G06T2207/10016 , G06T2207/30241 , G06T2207/30244
Abstract: Various embodiments provide systems, methods, devices, and instructions for performing simultaneous localization and mapping (SLAM) that involve initializing a SLAM process using images from as few as two different poses of a camera within a physical environment. Some embodiments may achieve this by disregarding errors in matching corresponding features depicted in image frames captured by an image sensor of a mobile computing device, and by updating the SLAM process in a way that causes the minimization process to converge to global minima rather than fall into a local minimum.
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公开(公告)号：US20230142438A1
公开(公告)日：2023-05-11
申请号：US18150041
申请日：2023-01-04
Applicant: Snap Inc.
Inventor： Ozi Egri , David Ben Ezra , Andrew James McPhee , Qi Pan , Eyal Zak
IPC: G06T19/00 , G06F3/04815 , G06T19/20
CPC classification number: G06T19/006 , G06F3/04815 , G06T19/20 , G06T2219/2004
Abstract: Among other things, embodiments of the present disclosure improve the functionality of computer imaging software and systems by facilitating the manipulation of virtual content displayed in conjunction with images of real-world objects and environments. Embodiments of the present disclosure allow different virtual objects to be moved onto different physical surfaces, as well as manipulated in other ways.
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公开(公告)号：US11580700B2
公开(公告)日：2023-02-14
申请号：US16790322
申请日：2020-02-13
Applicant: Snap Inc.
Inventor： Ozi Egri , David Ben Ezra , Andrew James McPhee , Qi Pan , Eyal Zak
IPC: G06T19/20 , G06T19/00 , G06F3/0481 , G06F3/04815
Abstract: Among other things, embodiments of the present disclosure improve the functionality of computer imaging software and systems by facilitating the manipulation of virtual content displayed in conjunction with images of real-world objects and environments. Embodiments of the present disclosure allow different virtual objects to be moved onto different physical surfaces, as well as manipulated in other ways.
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公开(公告)号：US11570425B2
公开(公告)日：2023-01-31
申请号：US16887052
申请日：2020-05-29
Applicant: SNAP INC.
IPC: H04N13/327 , H04N13/344 , G06T15/20 , G06T7/80
Abstract: Three-dimensional image calibration and presentation for stereoscopic imaging systems such as eyewear including a first camera and a second camera is described. The calibration and presentation includes obtaining a calibration offset using vanishing points obtained from images captured by a first camera and a second camera to accommodate rotation of the first and second cameras with respect to one another, adjusting a three-dimensional rendering offset by the obtained calibration offset, and presenting the stereoscopic images using the three dimension rendering offset.
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公开(公告)号：US20200293805A1
公开(公告)日：2020-09-17
申请号：US16879000
申请日：2020-05-20
Applicant: Snap Inc.
Abstract: A method and apparatus for measuring a distance to an object, be a device (100) having at least two cameras (104, 106), is described. One or more first images including the object are acquired by a first camera of the device and one or more first reference images are acquired by a second camera of the device, while the device is in a first position. One or more second images including the object and one or more second reference images are acquired by cameras of the device, while the device is in a second position, different from the first position. Based on the first and second reference images, information on the displacement of at least one camera of the device between the first and second position are determined. The distance from the device to the object is calculated based on the first and second images including e object and the determined information on the displacement of the at least one camera.
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